Research on the Biocontrol ofM onocham us a lte rna tus Larvaeby B eauve ria bassiana with Severa l Synerg ists

LIU Hong-jian; SHU Qing-long; WANG Lai-fa; PIAO Chun-gen; FANG Jian-min; DONG Guang-ping

B eauveria bassiana spore suspension wasmixed with trehalose, glucose, L-alanine and FeSO4 respectively,and were made up 4 different concentrations of synergist of B. bassiana spore suspension, then inoculated them on theM onocham us alternatus larvae. The results showed that four different kinds of synergistsmade a certain synergism inthe p rocess of control of B. bassiana toM. alternatus larvae. The death rate ofM. alternatus larvae was increased onan average of 18. 05% by trehalose-additives; That was increased on an average of 8. 75% by glucose. In the 11thday, the death rates of M. alternatus larvae were increased on 23. 1%, 76. 9%, 15. 4%, 53. 8% respectively bydifferent concentration spore suspensions of trehalose. They were increased by 30. 8%, 0. 0%, 53. 8%, 7. 7%respectively by glucose, increased by 38. 5%, 23. 1%, 23. 1%, - 7. 7% respectively by L-alanine, and increased by14. 04%, 36. 39%, 16. 71%, 20. 67% respectively by FeSO4.

1. Forestry Academy of Anhui Province, Hefei　230031, Anhui, China

2. Research Institute of Forest Ecology, Environment andProtection, CAF, Key Laboratory of Forest Protection, State Forestry Administration, Beijing　100091, China

3. College of Forestry and Garden,Anhui AgriculturalUniversity, Hefei　230036, Anhui, China

Received Date: 2008-11-03

Abstract: B eauveria bassiana spore suspension wasmixed with trehalose, glucose, L-alanine and FeSO4 respectively,and were made up 4 different concentrations of synergist of B. bassiana spore suspension, then inoculated them on theM onocham us alternatus larvae. The results showed that four different kinds of synergistsmade a certain synergism inthe p rocess of control of B. bassiana toM. alternatus larvae. The death rate ofM. alternatus larvae was increased onan average of 18. 05% by trehalose-additives; That was increased on an average of 8. 75% by glucose. In the 11thday, the death rates of M. alternatus larvae were increased on 23. 1%, 76. 9%, 15. 4%, 53. 8% respectively bydifferent concentration spore suspensions of trehalose. They were increased by 30. 8%, 0. 0%, 53. 8%, 7. 7%respectively by glucose, increased by 38. 5%, 23. 1%, 23. 1%, - 7. 7% respectively by L-alanine, and increased by14. 04%, 36. 39%, 16. 71%, 20. 67% respectively by FeSO4.

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Reference (15)

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Research on the Biocontrol ofM onocham us a lte rna tus Larvaeby B eauve ria bassiana with Severa l Synerg ists

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References

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